McCullough, 1976, Performance evaluation and quality assurance of computed tomography scanners with illustrations from the EMI, ACTA and Delta scanners, Radiology, 120, 173, 10.1148/120.1.173
Zatz, 1978, Image quality in cranial computed tomography, J Comput Assist Tomogr, 2, 336, 10.1097/00004728-197807000-00020
Bellon, 1979, Performance evaluation of computed tomography scanners using a phantom model, Am J Roentgenol, 132, 345, 10.2214/ajr.132.3.345
Kingsley, 1977, Computed tomographic artefacts using the CT1000, 36